The Wangxing Station in Chang'an during the prosperous Tang Dynasty hid a secret node connecting time and space. Yi Cheng {Su Yan} was struck by lightning in a thunderstorm, and unexpectedly awakened the ability to perceive time. He could see the afterimages of the past time and space of the post station - the secret words of Xuanwu Gate, the cry of the Anshi Rebellion, and the compass of the future messenger. When a group of men in black attempt to use the loopholes in the station to tamper with history and prevent Xuanzang's Operation to the West from shaking the foundation of the Tang Dynasty, Su Yan is forced to join forces with a mysterious Persian businessman and a court lady with hidden skills to travel through the afterimages of time and space intertwined with reality and reality. It is necessary not only to cut through the tampering conspiracy to protect the main line of history, but also to uncover the thousand-year connection between the post station and ancient Kunlun. Finally, following the guidance of the Dunhuang murals, repair the cracks in time and space, allowing the prosperity of Chang'an to continue according to history, and becoming the guardian of civilization across time and space.
